package com.atguigu.gulimall.order.web;


import com.atguigu.gulimall.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.HashMap;
import java.util.Map;

/**
 * @version 1.0
 * @author: YangDongDong
 * @date: 2025/4/19 上午10:13
 * @description: todo
 */

@Controller
public class OrderWebController
{

    @Autowired
    OrderService orderService;


    @GetMapping("/{page}/order.html")
    public String toPage(@PathVariable("page") String page)
    {
        return page;
    }

    @RequestMapping("/toTrade")
    public String toTrade(Model model)
    {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("confirmOrder", confirmVo);
        return "confirm";
    }

    @RequestMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo submitVo, Model model, RedirectAttributes attributes)
    {
        try
        {
            SubmitOrderResponseVo responseVo = orderService.submitOrder(submitVo);
            Integer code = responseVo.getCode();
            if (code == 0)
            {
                model.addAttribute("order", responseVo.getOrder());
                return "pay";
            }
            else
            {
                String msg = "下单失败;";
                switch (code)
                {
                    case 1:
                        msg += "防重令牌校验失败";
                        break;
                    case 2:
                        msg += "商品价格发生变化";
                        break;
                }
                attributes.addFlashAttribute("msg", msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        } catch (Exception e)
        {
            if (e instanceof NoStockException)
            {
                String msg = "下单失败，商品无库存";
                attributes.addFlashAttribute("msg", msg);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
    }
}
